HRS §269-9
Utilities must report accidents to the commission
Every public utility must tell the public utilities commission about any accident that happens because of its operations or service. The commission must look into accidents that cause a death, and it can look into other accidents if it thinks they need checking.
The statute, as written — Report accidents
Every public utility shall report to the public utilities commission all accidents caused by or occurring in connection with its operations and service, and the commission shall investigate the causes of any accident which results in loss of life, and may investigate any other accidents which in its opinion require investigation.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.